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Chapter 2: On-Vehicle Repair And Off-Vehicle Repair

CHAPTER 2: ON-VEHICLE REPAIR AND OFF-VEHICLE REPAIR

Symptom Suspected Area See
Vehicle does not move in all positions other than P and N Manual valve VALVE BODY 
Primary regulator valve AUTOMATIC TRANSAXLE UNIT 
Front and rear planetary gear AUTOMATIC TRANSAXLE UNIT 
U/D planetary gear AUTOMATIC TRANSAXLE UNIT 
F2 U/D one-way clutch AUTOMATIC TRANSAXLE UNIT 
C1 forward clutch AUTOMATIC TRANSAXLE UNIT 
B3 U/D brake AUTOMATIC TRANSAXLE UNIT 
Vehicle does not move in R position Front and rear planetary gear AUTOMATIC TRANSAXLE UNIT 
U/D planetary gear AUTOMATIC TRANSAXLE UNIT 
C2 direct clutch AUTOMATIC TRANSAXLE UNIT 
C3 U/D brake AUTOMATIC TRANSAXLE UNIT 
B2 1st and reverse brake AUTOMATIC TRANSAXLE UNIT 
No up-shift (1st -> 2nd) Valve body assembly VALVE BODY ASSEMBLY 
F1 No. 1 one-way clutch AUTOMATIC TRANSAXLE UNIT 
B1 2nd brake AUTOMATIC TRANSAXLE UNIT 
No up-shift (2nd -> 3rd) Valve body assembly AUTOMATIC TRANSAXLE UNIT 
C2 direct clutch AUTOMATIC TRANSAXLE UNIT 
No up-shift (3rd -> 4th) 3-4 shift valve AUTOMATIC TRANSAXLE UNIT 
C3 U/D clutch AUTOMATIC TRANSAXLE UNIT 
No down-shift (4th -> 3rd) 3-4 shift valve AUTOMATIC TRANSAXLE UNIT 
No down-shift (3rd -> 2nd) Valve body assembly VALVE BODY ASSEMBLY 
No down-shift (2nd -> 1st) Valve body assembly VALVE BODY ASSEMBLY 
No lock-up or no lock-up off Lock-up relay valve AUTOMATIC TRANSAXLE UNIT 
Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE 
Harsh engagement (N -> D) C1 accumulator AUTOMATIC TRANSAXLE UNIT 
Valve body assembly VALVE BODY ASSEMBLY 
C1 forward clutch AUTOMATIC TRANSAXLE UNIT 
F2 U/D one-way clutch AUTOMATIC TRANSAXLE UNIT 
F1 No. 1 one-way clutch AUTOMATIC TRANSAXLE UNIT 
Harsh engagement (N -> R) Valve body assembly VALVE BODY ASSEMBLY 
C2 direct clutch AUTOMATIC TRANSAXLE UNIT 
B2 1st and reverse brake AUTOMATIC TRANSAXLE UNIT 
Harsh engagement (Lock-up) Lock-up relay valve AUTOMATIC TRANSAXLE UNIT 
Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE 
Harsh engagement (2nd -> 3rd) Valve body assembly VALVE BODY ASSEMBLY 
Harsh engagement (3rd -> 4th) Valve body assembly VALVE BODY ASSEMBLY 
Harsh engagement (4th -> 3rd) Valve body assembly VALVE BODY ASSEMBLY 
Slip or shudder (forward position, after warm-up) Oil strainer AUTOMATIC TRANSAXLE UNIT 
Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE 
C1 forward clutch AUTOMATIC TRANSAXLE UNIT 
C2 direct clutch AUTOMATIC TRANSAXLE UNIT 
C3 U/D brake AUTOMATIC TRANSAXLE UNIT 
F1 No. 1 one-way clutch AUTOMATIC TRANSAXLE UNIT 
F2 U/D one-way clutch AUTOMATIC TRANSAXLE UNIT 
Slip or shudder (shift lever on R) Oil strainer AUTOMATIC TRANSAXLE UNIT 
C2 direct clutch AUTOMATIC TRANSAXLE UNIT 
B2 1st and reverse brake AUTOMATIC TRANSAXLE UNIT 
Slip or shudder (1st) F1 No. 1 one-way clutch AUTOMATIC TRANSAXLE UNIT 
Slip or shudder (2nd) F2 U/D one-way clutch AUTOMATIC TRANSAXLE UNIT 
B1 2nd brake AUTOMATIC TRANSAXLE UNIT 
Slip or shudder (3rd) C2 direct clutch AUTOMATIC TRANSAXLE UNIT 
Slip or shudder (4th) C3 U/D clutch AUTOMATIC TRANSAXLE UNIT 
No engine braking (1st to 3rd: D position) B3 U/D brake AUTOMATIC TRANSAXLE UNIT 
No engine braking (1st: L (1) position) B2 1st and reverse brake AUTOMATIC TRANSAXLE UNIT 
No engine braking (2nd: 2 position) B1 2nd brake AUTOMATIC TRANSAXLE UNIT 
Poor acceleration (all positions) Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE 
U/D planetary gear AUTOMATIC TRANSAXLE UNIT 
Poor acceleration (4th) C3 U/D clutch AUTOMATIC TRANSAXLE UNIT 
U/D planetary gear AUTOMATIC TRANSAXLE UNIT 
Large shift shock or engine stalls when starting off or stopping Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE 
No kick-down Valve body assembly VALVE BODY ASSEMBLY